{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T13:10:15Z","timestamp":1762866615958},"reference-count":31,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JNS"],"published-print":{"date-parts":[[2015,11]]},"abstract":"\nOBJECT<\/jats:title>\nSurgical transposition of the ulnar nerve to alleviate entrapment may cause otherwise normal structures to become new sources of nerve compression. Recurrent or persistent neuropathy after anterior transposition is commonly attributable to a new distal compression. The authors sought to clarify the anatomical relationship of the ulnar nerve to the common aponeurosis of the humeral head of the flexor carpi ulnaris (FCU) and flexor digitorum superficialis (FDS) muscles following anterior transposition of the nerve.<\/jats:p><\/jats:sec>\n\nMETHODS<\/jats:title>\nThe intermuscular septa of the proximal forearm were explored in 26 fresh cadaveric specimens. The fibrous septa and common aponeurotic insertions of the flexor-pronator muscle mass were evaluated in relation to the ulnar nerve, with particular attention to the effect of transposition upon the nerve in this region.<\/jats:p><\/jats:sec>\n\nRESULTS<\/jats:title>\nAn intermuscular aponeurosis associated with the FCU and FDS muscles was present in all specimens. Transposition consistently resulted in angulation of the nerve during elbow flexion when this fascial septum was not released. The proximal site at which the nerve began to traverse this fascial structure was found to be an average of 3.9 cm (SD 0.7 cm) from the medial epicondyle.<\/jats:p><\/jats:sec>\n\nCONCLUSIONS<\/jats:title>\nThe common aponeurosis encountered between the FDS and FCU muscles represents a potential site of posttransposition entrapment, which may account for a subset of failed anterior transpositions. Exploration of this region with release of this structure is recommended to provide an unconstrained distal course for a transposed ulnar nerve.<\/jats:p><\/jats:sec>","DOI":"10.3171\/2014.10.jns141379","type":"journal-article","created":{"date-parts":[[2015,4,24]],"date-time":"2015-04-24T14:00:02Z","timestamp":1429884002000},"page":"1216-1222","source":"Crossref","is-referenced-by-count":19,"title":["Anatomical considerations of fascial release in ulnar nerve transposition: a concept revisited"],"prefix":"10.3171","volume":"123","author":[{"given":"Mark A.","family":"Mahan","sequence":"first","affiliation":[{"name":"Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jaime","family":"Gasco","sequence":"additional","affiliation":[{"name":"Division of Neurological Surgery, University of Texas Medical Branch, Galveston, Texas;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David B.","family":"Mokhtee","sequence":"additional","affiliation":[{"name":"Tulsa Bone and Joint Associates, Tulsa, Oklahoma; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Justin M.","family":"Brown","sequence":"additional","affiliation":[{"name":"Division of Neurosurgery, University of California, San Diego, La Jolla, California"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"key":"b1-jns141379","series-title":"Minn Med","first-page":"455","article-title":"The surgical treatment of progressive ulnar paralysis","volume":"1","author":"Adson","year":"1918"},{"key":"b2-jns141379","series-title":"Surg Radiol Anat","doi-asserted-by":"publisher","first-page":"155","DOI":"10.1007\/BF02427843","article-title":"Anatomical basis for a technique of ulnar nerve transposition","volume":"8","author":"Amadio","year":"1986"},{"key":"b3-jns141379","series-title":"J Hand Surg Am","doi-asserted-by":"publisher","first-page":"83","DOI":"10.1016\/S0363-5023(86)80110-1","article-title":"Entrapment of the ulnar nerve by the deep flexor-pronator aponeurosis","volume":"11","author":"Amadio","year":"1986"},{"key":"b4-jns141379","series-title":"Plast Reconstr Surg","first-page":"79","article-title":"Dynamic anatomy of the ulnar nerve at the elbow","volume":"51","author":"Apfelberg","year":"1973"},{"key":"b5-jns141379","series-title":"Neurosurgery","doi-asserted-by":"publisher","first-page":"522","DOI":"10.1227\/01.NEU.0000154131.01167.03","article-title":"Prospective randomized controlled study comparing simple decompression versus anterior subcutaneous transposition for idiopathic neuropathy of the ulnar nerve at the elbow: Part 1","volume":"56","author":"Bartels","year":"2005"},{"key":"b6-jns141379","series-title":"Neurosurgery","doi-asserted-by":"publisher","first-page":"296","DOI":"10.1227\/01.NEU.0000194847.04143.A1","article-title":"Randomized, prospective study comparing ulnar neurolysis in situ with submuscular transposition","volume":"58","author":"Biggs","year":"2006"},{"key":"b7-jns141379","series-title":"J Hand Surg Am","doi-asserted-by":"publisher","first-page":"85","DOI":"10.1016\/S0363-5023(78)80121-X","article-title":"Technical problems with ulnar nerve transposition at the elbow: findings and results of reoperation","volume":"3","author":"Broudy","year":"1978"},{"key":"b8-jns141379","series-title":"Muscle Nerve","doi-asserted-by":"publisher","first-page":"733","DOI":"10.1002\/mus.880140807","article-title":"Variations in anatomy of the ulnar nerve at the cubital tunnel: pitfalls in the diagnosis of ulnar neuropathy at the elbow","volume":"14","author":"Campbell","year":"1991"},{"key":"b9-jns141379","series-title":"Muscle Nerve","doi-asserted-by":"publisher","first-page":"75","DOI":"10.1002\/mus.880110112","article-title":"Intraoperative electroneurography: management of ulnar neuropathy at the elbow","volume":"11","author":"Campbell","year":"1988"},{"key":"b10-jns141379","series-title":"J Nerv Ment Dis","first-page":"480","article-title":"Traumatic ulnar neuritis: transplantation of the nerve","volume":"25","author":"Curtis","year":"1898"},{"key":"b11-jns141379","series-title":"Surg Radiol Anat","doi-asserted-by":"publisher","first-page":"169","DOI":"10.1007\/s00276-002-0032-7","article-title":"The cubital tunnel: anatomical study of its distal part","volume":"24","author":"Degeorges","year":"2002"},{"key":"b12-jns141379","series-title":"J Bone Joint Surg Am","doi-asserted-by":"publisher","first-page":"213","DOI":"10.2106\/00004623-199072020-00008","article-title":"Reoperation for failed decompression of the ulnar nerve in the region of the elbow","volume":"72","author":"Gabel","year":"1990"},{"key":"b13-jns141379","series-title":"J Bone Joint Surg Am","doi-asserted-by":"publisher","first-page":"492","DOI":"10.2106\/00004623-199804000-00005","article-title":"Changes in interstitial pressure and cross-sectional area of the cubital tunnel and of the ulnar nerve with flexion of the elbow. 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